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1.25Gbps SFP Bi-Directional Transceiver, 3km Reach 1550nm TX / 1310nm RX

Advantages

¨ Dual data-rate of 1.25Gbps/1.063Gbps operation

¨ 1550nm DFB laser and PIN photodetector for 3km transmission

¨ Compliant with SFP MSA and SFF-8472 with simplex SC receptacle

¨ Digital Diagnostic Monitoring: Internal Calibration or External Calibration

¨ Compatible with SONET OC-24-LR-1

¨ Compatible with RoHS

¨ +3.3V single power supply

¨ Operating case temperature range of Commercial: 0°C to +70°C Industrial: -40°C to +85°C

Overview

The SFP-BIDI transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 3km transmission distance with SMF.

The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.

Technical Indexes

Parameter		Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Centre Wavelength			λc	1530	1550	1570	nm
Spectral Width (-20dB)			∆λ			1	nm
Side Mode Suppression Ratio			SMSR	30			dB
Average Output Power			Pout	-10		-4	dBm	1
Extinction Ratio			ER	10			dB
Optical Rise/Fall Time (20%~80%)			t_r/t_f			0.26	ns
Data Input Swing Differential			V_IN	400		1800	mV	2
Input Differential Impedance			Z_IN	90	100	110	Ω
TX Disable	Disable			2.0		Vcc	V
TX Disable	Enable			0		0.8	V
TX Fault	Fault			2.0		Vcc	V
TX Fault	Normal			0		0.8	V
Receiver
Centre Wavelength			λc	1260		1360	nm
Receiver Sensitivity						-22	dBm	3
Receiver Overload				-3			dBm	3
LOS De-Assert			LOS_D			-24	dBm
LOS Assert			LOS_A	-36			dBm
LOS Hysteresis				1		4	dB
Data Output Swing Differential			Vout	400		1800	mV	4
LOS			High	2.0		Vcc	V
LOS			Low			0.8	V

Ordering Information

Part Number	Product Description
LNK-BSFP-1.25G-3CD	1.25Gbps SFP Bi-Directional Transceiver, 1550TX/1310RX, SC 3km, 0°C~+70°C,With Digital Diagnostic Monitoring
LNK-BSFP-1.25G-L3CD	1.25Gbps SFP Bi-Directional Transceiver, 1550TX/1310RX, SC 3km,-40°C~+85°C,With Digital Diagnostic Monitoring

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Categories	SFP Transceiver Module
Brand Name:	E-link
Model Number:	Commercial Type: LNK-BSFP-1.25G-3CD Industrial Type: LNK-BSFP-1.25G-L3CD
Place of Origin:	China
MOQ:	1 pcs
Price:	$5-2579
Payment Terms:	L/C,T/T,Western Union,MoneyGram,Paypal
Supply Ability:	1000 pcs/month
Delivery Time:	3-12 working days
Packaging Details:	Carton Packaging
Input Differential Impedance:	90~110Ω
Data Input Swing Differential:	400~1800mV
Optical Rise/Fall Time (20%~80%):	0.26ns
Average Output Power:	-10~-4dBm
Spectral Width (RMS):	1nm
Centre Wavelength:	1530~1570nm